diff --git a/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/pulley/AbstractPulleyInstance.java b/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/pulley/AbstractPulleyInstance.java
index ed449c4a7..cea43d167 100644
--- a/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/pulley/AbstractPulleyInstance.java
+++ b/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/pulley/AbstractPulleyInstance.java
@@ -1,15 +1,13 @@
 package com.simibubi.create.content.contraptions.components.structureMovement.pulley;
 
-import net.minecraft.client.renderer.Vector3f;
 import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.MathHelper;
-import net.minecraft.world.ILightReader;
+import net.minecraft.util.math.vector.Vector3f;
+import net.minecraft.world.IBlockDisplayReader;
 import net.minecraft.world.LightType;
 
 import java.util.Arrays;
-import com.simibubi.create.AllBlockPartials;
-import com.simibubi.create.AllBlocks;
 import com.simibubi.create.content.contraptions.base.KineticTileEntity;
 import com.simibubi.create.content.contraptions.relays.encased.ShaftInstance;
 import com.simibubi.create.foundation.render.backend.core.OrientedData;
@@ -20,7 +18,6 @@ import com.simibubi.create.foundation.render.backend.instancing.util.SelectInsta
 import com.simibubi.create.foundation.render.backend.light.GridAlignedBB;
 import com.simibubi.create.foundation.render.backend.light.LightUpdateListener;
 import com.simibubi.create.foundation.render.backend.light.LightUpdater;
-import com.simibubi.create.foundation.utility.AnimationTickHolder;
 
 public abstract class AbstractPulleyInstance extends ShaftInstance implements IDynamicInstance, LightUpdateListener {
 
@@ -175,7 +172,7 @@ public abstract class AbstractPulleyInstance extends ShaftInstance implements ID
 	}
 
 	@Override
-	public boolean onLightUpdate(ILightReader world, LightType type, GridAlignedBB changed) {
+	public boolean onLightUpdate(IBlockDisplayReader world, LightType type, GridAlignedBB changed) {
 		changed.intersectAssign(volume);
 
 		initLight(world, changed);
@@ -183,7 +180,7 @@ public abstract class AbstractPulleyInstance extends ShaftInstance implements ID
 		return false;
 	}
 
-	private void initLight(ILightReader world, GridAlignedBB changed) {
+	private void initLight(IBlockDisplayReader world, GridAlignedBB changed) {
 		int top = this.pos.getY();
 		BlockPos.Mutable pos = new BlockPos.Mutable();
 		changed.forEachContained((x, y, z) -> {
diff --git a/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/pulley/RopePulleyInstance.java b/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/pulley/RopePulleyInstance.java
index 9bceb011b..8eb8388e4 100644
--- a/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/pulley/RopePulleyInstance.java
+++ b/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/pulley/RopePulleyInstance.java
@@ -1,10 +1,8 @@
 package com.simibubi.create.content.contraptions.components.structureMovement.pulley;
 
-import net.minecraft.world.ILightReader;
 
 import com.simibubi.create.AllBlockPartials;
 import com.simibubi.create.AllBlocks;
-import com.simibubi.create.content.contraptions.base.KineticTileEntity;
 import com.simibubi.create.foundation.render.backend.core.OrientedData;
 import com.simibubi.create.foundation.render.backend.instancing.InstancedModel;
 import com.simibubi.create.foundation.render.backend.instancing.InstancedTileRenderer;
diff --git a/src/main/java/com/simibubi/create/foundation/utility/TreeCutter.java b/src/main/java/com/simibubi/create/foundation/utility/TreeCutter.java
index 5e7ee1294..cd4b9db41 100644
--- a/src/main/java/com/simibubi/create/foundation/utility/TreeCutter.java
+++ b/src/main/java/com/simibubi/create/foundation/utility/TreeCutter.java
@@ -1,6 +1,5 @@
 package com.simibubi.create.foundation.utility;
 
-import com.google.common.collect.Iterators;
 import com.simibubi.create.AllTags;
 import net.minecraft.block.*;
 import net.minecraft.entity.LivingEntity;
@@ -18,6 +17,7 @@ import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import java.util.*;
 import java.util.function.BiConsumer;
+import java.util.function.Consumer;
 import java.util.function.Predicate;
 
 public class TreeCutter {
@@ -221,12 +221,18 @@ public class TreeCutter {
 		public void destroyBlocks(World world, @Nullable LivingEntity entity, BiConsumer<BlockPos, ItemStack> drop) {
 			PlayerEntity playerEntity = entity instanceof PlayerEntity ? ((PlayerEntity) entity) : null;
 			ItemStack toDamage = playerEntity != null && !playerEntity.isCreative() ? playerEntity.getHeldItemMainhand() : ItemStack.EMPTY;
-			Iterators.concat(logs.iterator(), leaves.iterator()).forEachRemaining(pos -> {
+
+			logs.forEach(makeCallbackFor(world, 1/2f, toDamage, playerEntity, drop));
+			leaves.forEach(makeCallbackFor(world, 1/8f, toDamage, playerEntity, drop));
+		}
+
+		private Consumer<BlockPos> makeCallbackFor(World world, float effectChance, ItemStack toDamage, @Nullable PlayerEntity playerEntity, BiConsumer<BlockPos, ItemStack> drop) {
+			return pos -> {
 				ItemStack usedTool = toDamage.copy();
-				BlockHelper.destroyBlockAs(world, pos, playerEntity, toDamage, 1 / 2f, stack -> drop.accept(pos, stack));
+				BlockHelper.destroyBlockAs(world, pos, playerEntity, toDamage, effectChance, stack -> drop.accept(pos, stack));
 				if (toDamage.isEmpty() && !usedTool.isEmpty())
 					ForgeEventFactory.onPlayerDestroyItem(playerEntity, usedTool, Hand.MAIN_HAND);
-			});
+			};
 		}
 	}